Merge pull request #33 from luixxiul/development

Redirection of URL in Japanese, Descartes (testing)
Merge pull request #34 from luixxiul/development

redirection of URL in Japanese, tags
search icon
Merge pull request #35 from luixxiul/ui

search icon
kant, praktischen vernunft
deleted unnecessary line
Merge pull request #36 from luixxiul/post

kant, praktischen vernunft
unnecessary lines deleted
Merge pull request #37 from luixxiul/ui

unnecessary lines deleted, index.html
Merge pull request #38 from luixxiul/redirection

redirections, other modifications
unnecessary lines deleted
Merge pull request #39 from luixxiul/ui

unnecessary lines deleted
Merge pull request #40 from luixxiul/development

Development
typo